value	unc_up	unc_lo	author	ref	method
2.79	0.680	0.680	Masiero	2017AJ....154..168M	NEATM
3.23	0.184	0.184	Masiero	2011ApJ...741...68M	NEATM
3.66	0.172	0.172	Masiero	2011ApJ...741...68M	NEATM